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Futaba S-U305
Standard

Futaba S-U305

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand Futaba
Product Number 01102376-3
Category Hobby
Performance
Torque
6.0V 123.60 oz-in
4.8V 98.60 oz-in
Speed
6.0V 0.18 sec/60°
4.8V 0.23 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.64 oz
Dimensions L 1.58 in
W 0.79 in
H 1.50 in
Case Material (add)
Drivetrain
Motor Type 3-pole
Motor Drive (add)
Gears Metal
Gear Spline/Teeth 25 T
Shaft Size (add)
Rotation Mode (add)
Rotation/Support (add)
Backlash (add)
Control & Signal
Modulation Digital
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width 920-2120 µs
Neutral Position (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System (add)
Programmable (add)
Signal Voltage (add)
Electrical & Environment
Operating Voltage 4.8–6 V
Power Source (add)
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector (add)
Wire Length (add)
Origin
Country of Origin (add)

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Performance Analysis

Shaft Power 0.79–1.27 W
Torque Density2.1204 oz-in/g
Stronger than 28% of the 831 Digital Standard servos in the database
Torque-to-Volume Ratio53.03 oz-in/in³
Denser torque than 19% of the 842 Digital Standard servos in the database
Power Density0.683 W/in³
More power-dense than 9% of the 1643 Digital Standard servos in the database
Speed-to-Weight0.09350 (1/sec·g)
Faster than 27% of the 820 Digital Standard servos in the database
Speed-Torque Trade-off22.68
Better balanced than 43% of the 825 Digital Standard servos in the database
Torque Gain per Volt21.13%/V
More voltage-responsive (torque) than 87% of the 672 Digital Standard servos in the database
Speed Gain per Volt23.13%/V
More voltage-responsive (speed) than 91% of the 686 Digital Standard servos in the database
Voltage Range Width1.2 V
Wider voltage range than 15% of the 1268 Digital Standard servos in the database

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